john sort his 200 buttons into 4 groups. Each group has the same numbers of buttons .He gives the buttons in one group to Markie. Which equation can be used to find n, the number of buttons that john has now. n÷4=200. or 200-50=n or 200÷4=n or n-50=200

200-50+n

Step-by-step explanation:

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.